OpenCL SIGSEGV clGetPlatformIDs

Hello there!

I writen program and this prog. successfully run under Slackware64 on ATI. I try run prog. under Windows XP x64, but it does not work. GDB write:

Program received signal SIGSEGV, Segmentation fault.

0x0000000000402618 in clGetPlatformIDs ()

bt:

#0  0x0000000000402618 in clGetPlatformIDs () 

#1  0x0000000000401604 in main () at mandelbrot_ocl.:63

What I wrote is wrong?